def trigger(self):
sensor = request.args.get('sensor')
if Validate().integer(sensor):
data = Sensors().trigger_one(sensor)
else:
data = Sensors().trigger_all()
return self.get_view().data(data)
def is_due(self, minutes, interval):
if minutes is None: # No measurement so far
return True
weatherSensor = Sensors().get_by_class('sensors.owmrain',
'OwmRainSnow')
if weatherSensor is not None:
weatherMeasurements = Measurements().get_last({
"sensor": [weatherSensor.get_id()],
"limit":
1,
"location": [ConfigManager.Instance().get_location()]
})
new_interval = interval
if len(weatherMeasurements) > 0:
value = weatherMeasurements[0].get_value()
if value > 30:
new_interval = 2 # Measure every two minutes in case of heavy rain
elif value > 0:
new_interval = interval / 2 # Double the speed in case of light rain
if new_interval < interval:
interval = new_interval
return (minutes >= interval)
def home(self):
sensor_data = Sensors().get_all()
sensor_id = None
if sensor_data is not None and len(sensor_data) > 0:
sensor_id = sensor_data[0].get_id()
location = ConfigManager.Instance().get_location()
locationObj = Locations().get(location)
data = {
'setup': False,
'location': locationObj,
'default_sensor': sensor_id,
'sensors': {},
'now': datetime.datetime.utcnow().strftime("%a %b %d %Y %H:%M:%S")
}
if locationObj is None or sensor_id is None:
data['setup'] = True
for sensor in sensor_data:
sensor_id = sensor.get_id()
last = self.__getlastvalue(location, sensor_id)
data['sensors'][sensor_id] = {
'sensor': sensor,
'hourly': self.__getminmaxavgvalue(time.strftime('%Y-%m-%dT%H:00:00Z'), location, sensor),
'daily': self.__getminmaxavgvalue(time.strftime('%Y-%m-%dT00:00:00Z'), location, sensor),
'monthly': self.__getminmaxavgvalue(time.strftime('%Y-%m-01T00:00:00Z'), location, sensor),
'yearly': self.__getminmaxavgvalue(time.strftime('%Y-01-01T00:00:00Z'), location, sensor),
'accum': self.__getminmaxavgvalue('2015-01-01T00:00:00Z', location, sensor),
'last': last['last'],
'datetime': last['datetime'],
'trend': Measurements().calc_trend(sensor_id, location)['description']
}
return self.get_view('index.html').data(data)
def subscription(self):
input = request.get_json()
if input is None:
return self.get_view().bad_request('Expected json')
if 'notifier' in input and 'sensor' in input and 'settings' in input:
notifier = Notifiers().get(input['notifier'])
if notifier is None or not notifier.is_public():
return self.get_view().bad_request('Not a valid notifier')
sensor = Sensors().get(input['sensor'])
if sensor is None:
return self.get_view().bad_request('Not a valid sensor')
subscription = Subscribers().create()
try:
subscription.set_notifier(int(input['notifier']))
subscription.set_sensor(int(input['sensor']))
# ToDo: Validate subscription settings
subscription.set_settings(input['settings'])
if not subscription.create():
return self.get_view().bad_request(
'The subscription you are trying to create does not exist try to create it instead'
)
except ValueError:
return self.get_view().bad_request(
'input not in the right format')
else:
return self.get_view().bad_request('not all necessary field set')
return self.get_view().success()
def data(self):
data = {
'locations': Locations().get_all(),
'sensors': Sensors().get_all(),
'timerange': Measurements().get_time_range(),
'location': ConfigManager.Instance().get_location()
}
return self.get_view('data.html').data(data)
def subscriptions_add(self, id):
notifier = Notifiers().get(id)
data = {
"notifier": notifier,
"notifier_impl": notifier.get_notifier_impl(),
"sensors": Sensors().get_all()
}
return self.get_view('subscriptions_add.html').data(data)
def config_sensors_change(self, mode, id):
if mode == 'add' and 'module' not in request.args:
if request.method == 'POST':
filename = OS().upload_file('sensors/', 'file');
return self._get_module_chooser("Add Sensor", "/config/sensors/add", "sensors", "Sensor")
data = {
"edit": (mode == 'edit'),
"mode": mode,
"sensor": None,
"sensor_impl": None,
"sensor_module": None,
"modules": OS().get_classes("sensors", "Sensor")
}
if mode == 'edit' and id is not None:
sensor = Sensors().get(id)
data['sensor'] = sensor
data['sensor_module'] = sensor.get_classpath()
data['sensor_impl'] = sensor.get_sensor_impl()
elif mode == 'add':
data['sensor_module'] = request.args.get('module')
data['sensor_impl'] = OS().create_object(data['sensor_module'])
return self.get_view('config_sensor_change.html').data(data)
def config_subscriptions_change(self, mode, nid, sid):
data = {
"edit": (mode == 'edit'),
"mode": mode,
"subscriber": None,
"notifier": None,
"notifier_impl": None,
"sensors": Sensors().get_all()
}
if mode == 'edit' and nid is not None:
subscriber = Subscribers().get(sid)
data['subscriber'] = subscriber
data['notifier'] = subscriber.get_notifier_object()
elif mode == 'add':
data['notifier'] = Notifiers().get(nid)
data["notifier_impl"] = data['notifier'].get_notifier_impl()
return self.get_view('config_subscriptions_change.html').data(data)
def prepare(self):
location = ConfigManager.Instance().get_location()
sensors = Sensors().get_all()
for sensor in sensors:
self.trend_data[sensor.get_id()] = Measurements().calc_trend(
sensor.get_id(), location)
#!/usr/bin/python3
# Sensor trigger executed by cron job
import sys
assert sys.version_info >= (3, 0)
from utils.utils import OS
from models.sensors import Sensors
from views.json import JSON
from utils.utils import ThreadObserver
if __name__ == '__main__':
OS().cwd(__file__)
# Trigger sensors and save all sensor readings
sensors = Sensors()
data = sensors.trigger_pending()
# Send json to cmd line for debugging
json = JSON()
print(json.build(data))
ThreadObserver.Instance().wait()
def calc_trend(self, sensor, location = None):
data = {
"since": None,
"until": None,
"timedelta": None,
"change_abs": 0,
"change_perhour": 0,
"description": "No change computable"
}
if location is None:
location = ConfigManager.Instance().get_location()
from models.sensors import Sensors
sensorObj = Sensors().get(sensor)
if sensorObj is None:
return None
t = Transform()
precision = 2
high_precision = 3
sensor_impl = sensorObj.get_sensor_impl()
if sensor_impl is not None:
precision = sensor_impl.low_precision()
high_precision = sensor_impl.high_precision()
last = self.get_last({
"sensor": [sensor],
"location": [location],
"limit": 1000,
"quality": 0.5
})
if len(last) < 3:
return data # Not enough data for calculation
# Calculate whether its ascending or descending
direction = 0
old = t.round(last[0].get_value(), precision)
older = t.round(last[1].get_value(), precision)
oldest = t.round(last[2].get_value(), precision)
if oldest > older and older > old and old != oldest:
direction = -1 # descending
if oldest <= older and older <= old and old != oldest:
direction = 1 # ascending
if direction == 0:
return data # No trend
# Find how long the trend is
outliers = 0
pivot = 0
prev_is_outlier = False
i = 0
# Iterate over all elements until we have two outliers in a row, elements are getting older with increasing index
while i < len(last)-1 and outliers < 2:
i += 1
this = t.round(last[i-1].get_value(), precision)
prev = t.round(last[i].get_value(), precision)
# Check whether values are equal or are getting smaller/larger
if (direction == 1 and prev <= this) or (direction == -1 and prev >= this):
# If the elemts are equal...
if (prev == this):
# check if the previous entry was an outlier and if this one is the same value, end loop as we reached two outliers
if prev_is_outlier is True:
break
# Value is smaller or larger
else:
pivot = i
# If previous element was not an outlier, we can decrease the number of outliers
if prev_is_outlier is False:
outliers -= 1
# We detected an outlier
else:
outliers += 1
prev_is_outlier = True
newest = last[0]
oldest = last[pivot]
data['oldest'] = oldest
data['newest'] = newest
data['timedelta'] = newest.get_datetime() - oldest.get_datetime()
hourdelta = data['timedelta'].total_seconds() / (60*60)
hours = int(hourdelta)
minutes = int((hourdelta - hours) * 60)
data['change_abs'] = t.round(abs(newest.get_value() - oldest.get_value()) * direction, high_precision)
data['change_perhour'] = t.round(data['change_abs'] / hourdelta, high_precision)
if direction == -1:
data['description'] = 'Descreasing'
else:
data['description'] = 'Increasing'
data['description'] += ' since '
if hours > 0:
data['description'] += str(hours) + ' hours '
data['description'] += str(minutes) + ' minutes by ' + str(abs(data['change_perhour'])) + ' ' + sensorObj.get_unit() + '/h'
return data
def sensor(self, id):
if (request.method == 'DELETE'):
sensor = Sensors().get(id)
if sensor is None:
return self.get_view().bad_request('Location does not exist')
if sensor.delete():
return self.get_view().success()
else:
return self.get_view().error()
elif (request.method == 'PUT'):
input = request.get_json()
if(input is None):
return self.get_view().bad_request('expected json')
if('id' in input):
try:
sensor = Sensors().get(int(input['id']))
if sensor is None:
return self.get_view().bad_request('The sensor you are trying to update does not exist try to create it instead')
if 'module' in input:
sensor.set_module(str(input['module']))
if 'class_name' in input:
sensor.set_class(str(input['class_name']))
if 'description' in input:
sensor.set_description(str(input['description']))
if 'settings' in input:
if not self.__validate_sensor_settings(sensor, input['settings']):
return self.get_view().bad_request('Settings not in the right format')
else:
sensor.set_settings(input['settings'])
if 'active' in input:
sensor.set_active(bool(input['active']))
if not sensor.update():
return self.get_view().bad_request('The sensor you are trying to update does not exist try to create it instead')
except ValueError:
return self.get_view().bad_request('input not in the right format')
else:
return self.get_view().bad_request('not all necessary field set')
return self.get_view().success()
elif (request.method == 'POST'):
input = request.get_json()
if(input is None):
return self.get_view().bad_request('expected json')
if ('description' in input and 'module' in input and 'class_name' in input
and 'active' in input and 'settings' in input):
sensor = Sensors().create()
try:
sensor.set_module(str(input['module']))
sensor.set_class(str(input['class_name']))
sensor.set_description(str(input['description']))
sensor.set_active(bool(input['active']))
if not self.__validate_sensor_settings(sensor, input['settings']):
return self.get_view().bad_request('Settings not in the right format')
else:
sensor.set_settings(input['settings'])
if not sensor.create():
return self.get_view().bad_request('The sensor you are trying to create does not exist')
except ValueError:
return self.get_view().bad_request('input not in the right format')
else:
return self.get_view().bad_request('not all necessary field set')
return self.get_view().success()
#!/usr/bin/python3 # Sensor trigger executed by cron job import sys assert sys.version_info >= (3,0) from utils.utils import OS from models.sensors import Sensors from views.json import JSON from utils.utils import ThreadObserver if __name__ == '__main__': OS().cwd(__file__) # Trigger sensors and save all sensor readings sensors = Sensors() data = sensors.trigger_pending() # Send json to cmd line for debugging json = JSON() print(json.build(data)) ThreadObserver.Instance().wait()
def get_sensor_object(self):
from models.sensors import Sensors
return Sensors().get(self.sensor)
def sensor(self, id):
if (request.method == 'DELETE'):
sensor = Sensors().get(id)
if sensor is None:
return self.get_view().bad_request('Location does not exist')
if sensor.delete():
return self.get_view().success()
else:
return self.get_view().error()
elif (request.method == 'PUT'):
input = request.get_json()
if (input is None):
return self.get_view().bad_request('expected json')
if ('id' in input):
try:
sensor = Sensors().get(int(input['id']))
if sensor is None:
return self.get_view().bad_request(
'The sensor you are trying to update does not exist try to create it instead'
)
if 'module' in input:
sensor.set_module(str(input['module']))
if 'class_name' in input:
sensor.set_class(str(input['class_name']))
if 'description' in input:
sensor.set_description(str(input['description']))
if 'settings' in input:
if not self.__validate_sensor_settings(
sensor, input['settings']):
return self.get_view().bad_request(
'Settings not in the right format')
else:
sensor.set_settings(input['settings'])
if 'active' in input:
sensor.set_active(bool(input['active']))
if not sensor.update():
return self.get_view().bad_request(
'The sensor you are trying to update does not exist try to create it instead'
)
except ValueError:
return self.get_view().bad_request(
'input not in the right format')
else:
return self.get_view().bad_request(
'not all necessary field set')
return self.get_view().success()
elif (request.method == 'POST'):
input = request.get_json()
if (input is None):
return self.get_view().bad_request('expected json')
if ('description' in input and 'module' in input
and 'class_name' in input and 'active' in input
and 'settings' in input):
sensor = Sensors().create()
try:
sensor.set_module(str(input['module']))
sensor.set_class(str(input['class_name']))
sensor.set_description(str(input['description']))
sensor.set_active(bool(input['active']))
if not self.__validate_sensor_settings(
sensor, input['settings']):
return self.get_view().bad_request(
'Settings not in the right format')
else:
sensor.set_settings(input['settings'])
if not sensor.create():
return self.get_view().bad_request(
'The sensor you are trying to create does not exist'
)
except ValueError:
return self.get_view().bad_request(
'input not in the right format')
else:
return self.get_view().bad_request(
'not all necessary field set')
return self.get_view().success()
def list(self):
data = Sensors().get_all()
return self.get_view().data(data)
def config_sensors(self):
data = {"sensors": Sensors().get_all()}
return self.get_view('config_sensor.html').data(data)